Owner manual

5–2 Troubleshooting and Maintenance
Publication 800-UM001A-EN-P – June 2004
Using the LED Indicator
The LED provides status information on Pendant Station operations.
The LED is visible when the enclosure cover is removed.
The troubleshooting chart shows LED indications. It also shows how
to use the LED to detect and correct common operating problems.
LED
What It Means: What To Do:
Color State
None
Pendant Station is not
receiving input power.
Check DeviceNet power
and cable connections and
the power connection on the
DeviceNet connector.
Red Solid
Diagnostics failed on
power-up/reset.
Internal fault. Reset device. If
fault still exists, return
Pendant Station for repair.
Red Flashing
Duplicate DeviceNet node
address. Two nodes cannot
have the same address.
Set Mac ID through Node
Commissioning. (See
“Setting the DeviceNet
Node Address” on page 3-2.)
IO connection timeout. Reset device.
Green Solid
Normal operating state and
device is allocated to a
master device.
No action required.
Green Flashing
Device is online and
operating properly, but not
allocated to master.
Check DeviceNet master
for correct Pendant Station
configuration information
(node address, input bytes,
output bytes).
Device is in idle state.
Check DeviceNet master
for proper operation.